Carbonate mounds appear to be an important feature along the northeastern Atlantic margins. The presence of giant carbonate mounds in Porcupine Seabight, on Porcupine Bank, in Rockall Trough and on Rockall Bank,Wof Ireland is already known since the nineties (Hovland et al. 1994; Henriet et al. 1998; De Mol et al. 2002; Huvenne et al. 2002, 2003; van Weering et al. 2003). These mounds have been the target of several cruises during the last decade. An exploratory cruise of R/V Belgica in 2002 off Larache (Morocco, Gulf of Cadiz) has led to the discovery of similar mound structures topping ridges and structural heights (Foubert et al. 2008). Because.
